Registro DMARC
Then add this: TXT Record host: _dmarc value: v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@mrsasinc.com ruf=mailto:dmarc@mrsasinc.com; fo=1;

Registro IPv4
host: Mrsasinc.com
class: IN
ttl: 7200
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: Mrsasinc.com
class: IN
ttl: 7200
type: SOA
mname: NS19.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 124042615
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: Mrsasinc.com
class: IN
ttl: 900
type: MX
pri: 1
target: smtp.google.com

Información TXT
host: Mrsasinc.com
class: IN
ttl: 1800
type: TXT
txt: google-site-verification=pH8Yr0p2m_MYOrOXphZa_LDf9RRaoiLLsjC1bCurkew
entries: Array

Información TXT
host: Mrsasinc.com
class: IN
ttl: 1800
type: TXT
txt: MS=ms13775000
entries: Array

Información TXT
host: Mrsasinc.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:_spf.google.com
entries: Array